JP2004344813A - Self-propelled crusher - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To simplify work by eliminating labor to detach attachments during transportation and to attach them again after arrival at a working site even when the attachments such as a warning light, a mirror, and a hand rail are set to protrude upward from the height of a self-propelled crusher when they are used and exceed the hight limit when the crusher is transported. <P>SOLUTION: For example, the hand rail 17, out of the attachments such as the warning light, the mirror, and the hand rail which are set to protrude upward from the height of the self-propelled crusher when they are used, is passed vertically movably through a guide cylinder 21 fixed to the machine side, so that a using posture protruding from the height of the machine and a housing posture not protruding from the height can be changed freely. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention belongs to the technical field of a self-propelled crusher equipped with a crushing device such as a jaw crusher.
[0002]
[Prior art]
In recent years, the importance of a self-propelled crusher, which is equipped with a crushing device such as a jaw crusher on a body equipped with a traveling body, as a machine for finely crushing aggregates such as concrete generated on site such as demolishing buildings It has increased. Such a self-propelled crusher is equipped with various accessories. Among the accessories, there are a supply condition of the crushed material to the crushing device and a discharge condition of the processed material crushed by the crushing device. A mirror to check the condition, a warning light (patlight) to notify the operator when the amount of crushed material in the crushing device is excessively increased, and a hand to grip when placed on the upper surface of the machine during maintenance work. Some rails and the like are installed so as to protrude upward from the height of the self-propelled crusher (for example, see Patent Documents 1 and 2).
[0003]
[Patent Document 1]
JP-A-9-220488 (FIG. 1)
[Patent Document 2]
JP-A-5-154405 (FIG. 1)
[0004]
[Problems to be solved by the invention]
By the way, the above-mentioned self-propelled crusher is usually transported on a transportation vehicle such as a trailer to the crushing work site, but in this case, the height is increased from the height of the self-propelled crusher. Accessories installed in a protruding state may exceed the height limit for transportation. In such a case, accessories that exceed the height limit are removed during transportation, and accessories are attached again after arriving at the work site.However, removing and attaching the accessories requires tools such as a wrench. In addition, there is a problem that it is troublesome and troublesome, and there is a problem to be solved by the present invention.
[0005]
[Means for Solving the Problems]
SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned circumstances, and has been created with the object of solving these problems.In a self-propelled crusher equipped with a crushing device, a self-propelled crusher in a use state is provided. Accessories such as warning lights, mirrors, and handrails that are installed to protrude upward from the height of the aircraft can be freely transformed into a usage position that protrudes from the vehicle height and a storage position that can be accommodated within the vehicle height. It is characterized by having comprised in.
In this way, when the self-propelled crusher is transported by the transport vehicle, the accessories protruding from the vehicle height can be stored in the storage posture, so that the accessories can be substantially stored in the vehicle height. In such a case, since the height limit at the time of transportation is exceeded as in the conventional case, it is not necessary to remove accessories and re-attach them at the work site, which can contribute to simplification of the work.
In this case, the accessory can be configured to be freely movable between an upper use posture and a lower storage posture by being supported by a guide member fixed to the body side so as to be vertically movable.
In addition, the accessory has a configuration in which the base end or the intermediate portion of the column supporting the accessory can be bent up and down so that it can be freely transformed into a standing use posture and a falling storage posture. Can be.
Further, by providing the holding means for holding the accessory in the use posture and the storage posture, it is possible to prevent the accessory from being inadvertently deformed due to vibration during operation or during transportation.
[0006]
BEST MODE FOR CARRYING OUT THE INVENTION
Next, embodiments of the present invention will be described with reference to the drawings. In the drawings, reference numeral 1 denotes a self-propelled crusher. The self-propelled crusher 1 is attached to a crawler type traveling body 2 at a substantially central portion in a front-rear direction of a base frame 3 from a jaw crusher or the like. Crushing device 4 is placed. Above the rear side of the crushing device 4, a hopper 5 into which a crushed material such as a concrete lump is charged is disposed. Below the hopper 5, the crushed material charged into the hopper 5 is A vibration feeder 6 for introducing into the entrance 4a is provided. The vibrating feeder 6 is a so-called grizzly feeder, which has a saw-tooth plate 6a in the first half of the bottom surface portion, and sequentially conveys the crushed materials put into the hopper 5 to the crushing device 4 side. At the same time, small concrete lumps, earth and sand, etc., which do not need to be crushed, are dropped downward from the gap of the sawtooth plate 6a. The fallen object is conveyed to the left and right outside of the self-propelled crusher 1 by a side conveyor 8 arranged so as to protrude left and right from below the front half of the vibrating feeder 6. Have been.
[0007]
On the other hand, left and right working floors 9L and 9R are arranged on the left and right sides of the crushing device 4, and a control unit 10 and a maintenance entrance E are provided in front of the working floors 9L and 9R and the crushing device 4. A door body 11, a fuel tank 12, a hydraulic oil tank 13, and the like, which are openably and closably covered, are arranged, and a power chamber 14 for accommodating an engine and a hydraulic pump (not shown) is arranged in front of the door body 11. Further, an unloading conveyor 15 for discharging the processed material crushed by the crushing device 4 to the outside of the machine extends from below the crushing device 4 to below the power chamber 14 and further projects upwardly in front of the machine body. Have been.
In the drawing, reference numeral 16 denotes a magnetic separator disposed above the middle of the carry-out conveyor 15, and the magnetic separator 16 magnetizes a metal material such as a reinforcing bar included in the concrete lump with a magnet and sends it out of the machine. It is configured to emit.
[0008]
Now, in the present embodiment, the vehicle height T of the self-propelled crusher 1 is designed to be determined by the upper edge position of the hopper 5. Further, the upper end of the crushing device 4 is located at substantially the same height as the upper edge position of the hopper 5, and the fuel tank 12, the hydraulic oil tank 13, and the power chamber 14 are located at a position slightly lower than the upper end of the crushing device 4. It is designed so that the upper surface is located. Further, the upper surface of the left and right working floors 9L and 9R, the operating floor 10a serving as the floor of the operating unit 10, and the upper surface of the door body 11 that covers the maintenance entrance E so as to be openable and closable are a fuel tank 12 and a hydraulic oil tank. 13 and the power chamber 14 are designed to be lower than the upper surface. In addition, in this embodiment, a handrail 17, a warning light (patrol light) 18, and front and rear mirrors 19A and 19B are provided as accessories installed so as to protrude above the vehicle height T during use. ing.
[0009]
The handrail 17 is provided for an operator to grip when moving up and down between the upper surface of the lid 11 and the upper surface of the power chamber 14, and has a bar shape having an upper end curved in an inverted U shape. However, the rod-shaped portion of the handrail 17 is vertically movable inside a cylindrical guide cylinder 21 which is fixed to the upper rear end of the power chamber 14 via a support bracket 20 and faces in the vertical direction. It has been inserted. The guide tube 21 has an axially extending guide groove 21a extending from the upper portion to the lower portion of the guide tube 21. The upper and lower ends of the guide groove 21a are provided with engaging members in the circumferential direction. Stop grooves 21b and 21c are formed. On the other hand, a guide pin 22 that is movably engaged with the guide groove 21a and the locking grooves 21b and 21c of the guide cylinder 21 is attached to an intermediate portion of the handrail 17. When the guide pin 22 is engaged with the guide groove 21a, the handrail 17 moves up and down while being guided by the guide groove 21a. The guide pin 22 is locked in the locking grooves 21b and 21c by rotating the handrail 17 in the circumferential direction in the state of reaching the upper side, whereby the guide pin 22 is locked in the upper locking groove 21b. Positioned in a position (shown by a solid line in FIGS. 3 and 4) and a lower position (shown by a chain line in FIGS. 3 and 4) in which the guide pin 22 is locked in the lower locking groove 21c. It can be done. Then, in the state of being positioned at the upper position, the worker is in a use posture in which an operator who moves up and down between the upper surface of the lid 11 and the upper surface of the power chamber 14 can grip the handrail 17, and is positioned at the lower position. In this configuration, the upper end of the handrail 17 is configured to be in a storage position in which the upper end is lower than the vehicle height T. In the figure, 21d is a cap attached to the upper end of the guide cylinder 21.
[0010]
Reference numeral 23 denotes a lock device for holding the handrail 17 in the use posture and the storage posture. The lock device 23 is fixed to the support bracket 20 in a state adjacent to the outer periphery of the guide cylinder 21. It is configured using a holder member 24 and a lock pin 25 supported by the holder member 24 so as to be slidable in the axial direction. Then, by operating the knob 25 a provided integrally with the lock pin 25, the lock pin 25 is slid to a lock position protruding from the holder member 24 and a lock release position retracting into the holder member 24. Can be done. Note that the holder member 24 has a guide groove 24a oriented in the axial direction for guiding the movement of the knob 25a, and the lock pin 25 moves around the knob 25a in the circumferential direction when the lock pin 25 reaches each of the lock and unlock positions. Notches 24b and 24c are formed so that the knob 25a can be engaged and disengaged by being rotated, so that the lock pin 23 at each position does not move carelessly. On the other hand, the guide cylinder 21 is provided with a through-hole 21e into which the distal end of the lock pin 25 is inserted so as to freely enter and exit. Further, the handrail 17 has a lock hole 17a for use posture which is in communication with the through hole 21e of the guide tube 21 when the handrail 17 is in use posture, and is in communication with the through hole 21e when in the storage posture. A lock hole 17b for storage posture is formed. When the lock pin 25 is moved from the unlocked position to the locked position with the handrail 17 in the use posture and the storage posture, the distal end portion of the lock pin 25 passes through the through hole 21 e of the guide cylinder 21 and is used. The handrail 17 is fitted into the lock hole 17a for the posture and the lock hole 17b for the storage posture, so that the handrail 17 can be locked in each of the use posture and the storage posture.
Note that the handrail 17 and the guide cylinder 21 are not perpendicular to the upper surface of the lid 11 but are at the upper ends thereof so that a worker who moves up and down between the upper surface of the lid 11 and the upper surface of the power chamber 14 can easily grip the upper rail. The side is provided in an inclined shape slightly inclined forward. In the figure, reference numeral 26 denotes a step which is attached to the rear surface of the power chamber 14. The step 26 allows the user to put his / her foot on the step 26 to move up and down between the upper surface of the lid 11 and the upper surface of the power chamber 14. I have.
[0011]
On the other hand, the warning light 18 is for notifying the operator of an abnormal situation such as when the amount of the crushed material in the crushing device 4 is excessively increased, and the warning light 18 is provided on the upper surface of the fuel tank 12. A lamp 18a is attached to the upper end of a column 27 provided. The column 27 is composed of a lower column 27A fixed to the upper surface of the fuel tank 12, and a joint 28 described later on the lower column 27A. And an upper support 27B which is supported so as to be able to move up and down.
[0012]
The lower and upper columns 27A and 27B are cylindrical pipes having the same diameter, but the lower end of the upper column 27B is fitted in the lower end of the upper column 27B. A cylindrical fitting portion 28a integrally fixed to the upper support 27B in a state where the lower half of the lower support 27A fits in and out of the upper end of the inside of the cylinder, and an intermediate portion of the fitting 28a. A locking portion 28b fixed to the outer peripheral side and having an outer diameter substantially the same as the outer diameter of the columns 27A and 27B; a plate-shaped pin supporting piece 28c protruding downward from the lower end of the fitting portion 28a; A joint portion 28 fixed to the lower end portion of the pin support piece 28c and having a joint pin 28d having a shaft length longer than the outer diameter of the columns 27A and 27B is attached.
On the other hand, at the upper end of the lower support 27A, a pair of vertically extending engagement grooves 28e are formed at axially symmetric positions, and the both ends of the joint pin 28d are vertically movable in the engagement grooves 28e. Penetrates through. Further, a notch 28f is formed at the upper end of the lower support 27A at a position shifted by about 90 degrees in the circumferential direction with respect to the engagement groove 28e so that the pin support piece 28c enters and exits. Reference numeral 28g denotes a cylindrical fixing pipe, and the fixing pipe 28g is fitted to the columns 27A and 28B so as to be vertically movable.
[0013]
When the upper support 27B is erected substantially in a straight line with respect to the lower support 27A, the fixing pipe 28g is integrally fixed to the upper support 27B with the fixing pipe 28g positioned above the locking portion 28b. The lower half of the fitted portion 28a is fitted inside the upper end of the lower support 27 inside the cylinder until the locking portion 28b contacts the upper end of the lower support 27A. As a result, the upper support 27B is in an upright state. At this time, the joint pin 28d is located on the lower end side of the engagement groove 28e. Further, by lowering the fixing pipe 28g until it comes into contact with the joint pin 28d, the upward movement of the joint pin 28d is restricted, and the outer circumference of the upper end of the lower support 27A and the outer circumference of the lower end of the upper support 27B are fixed. The outer pipe 27g is externally fitted and supported, and the notch 28f into and out of which the pin support piece 28c enters and exits is also closed, and the upper support 27B is held in an upright state.
[0014]
On the other hand, when the upper column 27B in the upright state is turned down, the joint pin 28d is positioned at the upper end of the engagement groove 28e with the fixing pipe 28g positioned above the locking portion 28b. When the upper support 27B is moved upward, the fitting portion 28a comes out of the cylinder of the lower support 27A. In this state, when the upper support 27B is tilted about the joint pin 28d as an axis, the pin support 28c protrudes outside the cylinder of the lower support 27A through the notch 28f, thereby allowing the upper support 27B to fall down. Thereby, the upper support 27B is configured to lie down substantially at right angles to the lower support 27A.
[0015]
Reference numeral 29 denotes a support bracket for receiving and supporting the upper column 27B in the folded state from below, and the support bracket 29 is formed so as to project from the lower column 27A toward the lower direction of the upper column 27B. Although formed integrally with the upper part on the distal end side of the support 30, a rubber 31 is fixed to the upper surface of the support fitting 29, so that the upper support 27 </ b> B can be held in a state where the impact is absorbed. .
[0016]
Further, a lock device 31 for holding the upper column 27B in a laid state is attached to the bracket 30. Since the lock device 31 has the same structure as the lock device 23 for the handrail 17 described above, a detailed description thereof will be omitted. However, the lock pin 32 of the lock device 31 is formed by turning the upper support 27B down. In a state of being supported by the support fitting 29, it is set so as to be removably fitted into a locking hole 33a formed in a locking member 33 fixed to an intermediate portion of the upper support column 27B. By setting the lock pin 32 to the lock position in which the lock pin 32 is fitted into the lock hole 33a, the upper column 27B is locked in the down position.
[0017]
When the upper support 27B is in the upright state, the warning light 18 is in a use posture for notifying an operator of an abnormal situation such as an excessive increase in the amount of crushed material in the crushing device 4. The upper end of the lamp 18 is configured to be in a storage position lower than the vehicle height T.
[0018]
On the other hand, a front side mirror 19A is disposed on the rear upper surface of the power chamber 14 so that an operator can check the state of unloading of the unloading conveyor 15 and the state of supply of the object to be crushed to the crushing device 4, and the upper surface of the fuel tank 12. Is provided with a rear mirror 19B. And, like the column 27 of the warning light 18 described above, the column 34 supporting the front and rear mirrors 19A and 19B includes a lower column 34A fixed to the upper surface of the power chamber 14 and the fuel tank 12 and the lower column 34A. When the upper support 34B is in an upright state, the upper support 34B is supported by the support 34B via a joint 35 so that the upper support 34B can be turned upside down. The mirror 19A, 19B is configured to be in a use posture in which an operator can visually observe the supply state of the articles with the mirrors 19A, 19B, and when the vehicle is in the lying state, the upper ends of the mirrors 19A, 19B are in a storage posture in which the height is lower than the vehicle height T. However, the upright structure of the upper support 34B is the same as that of the above-described upper support 27B of the warning light 18, and thus the details are omitted.
The mirrors 19A and 19B are attached to the upper part of the upper support 34B so as to be freely displaceable in angle, so that the angles can be changed so that the operator can easily see the mirrors. In the present embodiment, the lower support 34A has an L-shape with a bent middle portion. Further, a support bracket 37 that supports the upper support 34B by being engaged with a middle portion of the upper support 34B in a laid state is integrally formed on the distal end side of the bracket 36 protruding from the lower support 34A. .
[0019]
In the one configured as described above, the self-propelled crusher 1 includes a handrail 17, a warning light 18, a mirror 19A, and other accessories installed so as to protrude above the vehicle height T during use. 19B, the accessories 17, 18, 19A, and 19B are configured to be freely changeable into a use posture projecting upward from the vehicle height T and a storage posture that fits within the vehicle height T. I have.
As a result, when the self-propelled crusher 1 is transported on a transporting vehicle such as a trailer, the handrail 17, the warning light 18, and the mirrors 19A, 19B are set in the storage posture, so that these accessories 17, 18 are provided. , 19A and 19B can be accommodated within the vehicle height T, and the trouble of removing accessories and re-attaching them at the work site in order to exceed the height limit at the time of transportation as in the conventional case. Is not required, which contributes to simplifying the work.
Moreover, in this device, the accessories 17, 18, 19A, and 19B are transformed into the use posture and the storage posture, and in holding the postures, the handrail 17 is moved up and down as described above, and a warning is issued. Only simple operations such as raising and lowering the lamp 18, the mirrors 19A and 19B, and sliding the lock pins 25 and 32 do not require a tool such as a wrench and can further simplify the operation.
The present invention is not limited to the above-described embodiment, and it goes without saying that the present invention can be applied to accessories other than the handrail 17, the warning light 18, and the mirrors 19A and 19B.
[Brief description of the drawings]
FIG. 1 is a side view of a self-propelled crusher.
FIG. 2 is a plan view of the self-propelled crusher.
FIG. 3 is a front view of a handrail disposition portion.
FIG. 4 is a side view of a handrail disposition portion.
5A is an enlarged view of FIG. 4 as viewed in the direction of arrow X, FIG. 5B is a cross-sectional view of FIG. 4A, and FIG.
FIG. 6 is a front view of a warning light.
7A is an enlarged view of a joint portion, FIG. 7B is a cross-sectional view of the joint portion, and FIG. 7C is an enlarged side view of a support bracket.
FIG. 8 is a side view of an arrangement portion of a mirror.
FIG. 9 is a plan view of an arrangement portion of a mirror.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Self-propelled crusher 4 Crusher 17 Handrail 18 Warning light 19A Mirror 19B Mirror 21 Guide cylinder 23 Lock device 27A Lower support 27B Upper support 28 Joint 29 Support bracket 31 Lock device 34A Lower support 34B Upper support 35 Joint Part 37 Support bracket

Claims (4)

In a self-propelled crusher equipped with a crushing device, accessories such as a warning light, a mirror, and a handrail, which are installed so as to protrude upward from the vehicle height of the self-propelled crusher in use, are used in the vehicle. A self-propelled crusher characterized by being freely changeable into a use position that protrudes from a height and a storage position that can be accommodated within the vehicle height. In the first aspect, the accessory is configured to be vertically movable by a guide member fixed to the fuselage side, so that the accessory can be freely transformed into an upper use posture and a lower storage posture. A self-propelled crusher. 2. The structure according to claim 1, wherein the accessory can be freely transformed into a standing posture and a storage position in which the accessory is bent by bending a base end or an intermediate portion of the column supporting the accessory. A self-propelled crusher, characterized in that: The self-propelled crusher according to claim 1, 2, or 3, further comprising holding means for holding the accessory in a use posture and a storage posture.

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